Unit reinforcing-frame for concrete construction.



I E. L. BROWN, JR. UNIT REINPORGING FRAME FOR CONCRETE CONSTRUCTION;

APPLICATION FILED NOV. 26, 1909.

965 070. Patented July19,1910.

EUGENE I. BROWN, JR.,.OF ST. LOUIS, jMISSOUR-I.

UNIT REIN FOR GING-IRAME FOR CONCRETE-CONSTRUCTION.

Specification of Letters Patent. a Patented July 19, 19.10.

'Application filed novembiree, 1909. Serial'No. 529,876.

To all whom 'it may concern:

Be it known that I, EUGENE L. BROWN, J r.,a citizen f the United States of America, residing in the city of St. Louis and State of Missouri, have invented certain new anduseful Improvements in Unit Reinforcing-Frames for Concrete Construction, of which the followin is a full, clear, and exact description, reference being had to the accompanying drawing, forming part of this specification.

My invention relates to a unit reinforcing frame for concrete constructions, and it has for 1ts object to provide a frame of this description comprising down condition .and which, when assembled, -furnishes a unit reinforcing frame having all necessary rigidity. v

' igure I is a perspective view of my reinforcing frame set up and ready for use, with afragmentof a mold in which the frame may be laid illustrated in connection with the frame.

Fig. II is an enlarged perspective view of one ofthe reinf'orcing rods, a fragment of one of the stays, and one of the keys by which the pocket members of the stays are held to thereinforcing rods.

one of the keys.

In the accompanying drawings A des- Fig. III is-an enlarged perspective viewof 1 ates a frame such asis commonly used in' e production of concrete structures, and

i in which --reinforcing rods are laid to be bedlcedin the concrete that is shaped in said mo J 1 and 2 designate reinforcing rods which,

as shown in the drawings, are round in Y cross sectlon, but which may be of any other suitable' shape in cross section. In the drawings'I haveshown the rods l as having portions thereof elevated above other portions and the rods 2; as extending 'in straight lines, these different arrangements of the rods. being common, and no invention'per se'being, e

rangement. It is obvious that all of .the

rods may extend in straight'lines, or that any desired number of them may diverge at desirable points from strai ht lines.

3 designates stay; members y which the several reinforcing rods thatenter-into a unit frame constructed in accordance" with my improvement may be connected and held arts that may be transported when the rame is in a knock.

rein claimed for such artheir proper positions relative to each other.

Each of these stays is provided with a plu-v rality of legs 4, produced by forming folds in the stay strip, which is preferably of sheet metal, and at the'upper end of each leg is apocket 5, of 'su'flicient dimensions to permit of itsbeing occupied by a reinforcing rod that is to be connected with a companion reinforci'n rod, or rods, extending parallel with the rst named rod. The reinforcing rods are entered'into the pockets 5 through I throats (i at the tops of the legs 4, the introduction. of the rods into the pocketsbe ing-readily permissible, due'to the legs 4 be- .ing of resilient material, so that their sides or webs 'willspread apart while the rods are being inserted into the pockets and approach each other after the rods have been introduced. The legs 4 are preferably bulged at their lower closed ends, as seen at 7, thereby affording spring hingesat the ends of the legs.

8 designates bifurcated keys that are adapted to straddle the sides of'thepockets 5 at theupper ends of the legs 4, and whereby the sides of the pockets are prevented from spreading outwardly after the reinforcing rods have "been entered thereinto. These keys are produced from sheet metal, and they preferably conform to segments of the reinforcing rods in, order that they will partially. surround said rods and the sides of the pockets 5 are provided with upwardly projecting tongues 9 that are adapted to abut 'againstvthe side edges of the; stays 3.

It will be readily appreciated that when the reinforcing rods entering into a unit frame constructed in accordance with my invention are laidjin the pockets of the stays- 3 and are clampedwithin the. pockets of said stays by the; construction described, a unit frame is produced "which may be "handled in any necessary manner, without the parts of the frame becoming separated from each other and that the assemblage of the parts of the frame may be very speedily carried outpat, the time that the frame is to be put in'tp use; It will further 'benot'ed. that .the legs 4 serve as' supports for the reinforcingcrods, ed that they are upheldifromthe mold: infwhich a body of -concrete -is shaped,- and consequentlythe reinforci iig'rods-- are. embedded atv the proper assembled so that th y-Wm se inariansclose relation at their lower ends, reinforcv ing rods supported'in said pockets, and keys fitted to said pocket members above the reinforcing rods to hold the pocket members from separation. 1

2. Annit frame comprisin stays having folded flexible legs the mem ers of which lie flatly against each other and which are adapted to be spread apart, the legs having integral therewith segment shaped pocket members mating with each other and in.

close relation at their lower ends, reinforcing rods supported in said pockets, and bifurcated. keys straddling said. pocket members above the reinforcing rods to hold the pocket members from separation.

EUGENE L. BROWN, JR.

In the presence ofhf. C. I'IAMMON, E. B. LINN. 

